/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: Simplified interface to resource files

*

*

*/

#ifndef CPOSLMRESOURCEREADER_H

#define CPOSLMRESOURCEREADER_H

//  INCLUDES

#include <e32base.h>

#include <barsc.h>

#include <barsread.h>

// CONSTANTS

// CLASS DECLARATION

/**

*  Simplified interface to resource files

*/

class CPosLmResourceReader : public CBase

    {

    public:     // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aPath Path to the resource file (excluding drive).

        */

        IMPORT_C static CPosLmResourceReader* NewLC(

        /* IN  */       const TDesC& aPath

        );

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CPosLmResourceReader();

    public:     // New functions

        /**

        * Reads a string from the currently loaded resource.

        *

        * @param aResourceId Resource id to read from. The function leaves if

        *   there is no matching resource or the offset does not match.

        * @return A heap-allocated string.

        */

        IMPORT_C HBufC* ReadHBufCL(

        /* IN  */      TInt aResourceId

        );

        /**

        * Reads an TInt/integer from the currently loaded resource.

        *

        * @param aResourceId Resource id to read from. The function leaves if

        *   there is no matching resource or the offset does not match.

        * @return An integer.

        */

        IMPORT_C TInt ReadInt16L(

        /* IN  */      TInt aResourceId

        );

        /**

        * Reads an TInt/integer from the currently loaded resource.

        *

        * @param aResourceId Resource id to read from. The function leaves if

        *   there is no matching resource or the offset does not match.

        * @return An integer.

        */

        IMPORT_C TInt ReadInt32L(

        /* IN  */      TInt aResourceId

        );

    protected: // New functions

        /**

        * Loads a resource from the resource file into the buffer.

        *

        * @param aResourceId Id of the resource to be loaded.

        */

        IMPORT_C void LoadResourceL(

        /* IN  */       TInt aResourceId

        );

    private:

        /**

        * C++ default constructor.

        */

        CPosLmResourceReader();

        /**

        * By default Symbian 2nd phase constructor is private.

        * @param aPath Path to the resource file (excluding drive).

        */

        void ConstructL(

        /* IN  */   const TDesC& aPath

        );

        // By default, prohibit copy constructor

        CPosLmResourceReader( const CPosLmResourceReader& );

        // Prohibit assigment operator

        CPosLmResourceReader& operator= ( const CPosLmResourceReader& );

    private:    // Data

        RFs             iFileSession;

        RResourceFile   iResourceFile;

        HBufC8*         iResourceBuffer;

        TResourceReader iResourceReader;

    };

#endif      // CPOSLMRESOURCEREADER_H

// End of File